ABB REF601 Applications Manual page 36

Section 4
Protection and Control Function
4.9.2.1
4.9.2.2
4.9.2.3
30
Setting range for thermal overload protection
Table 16 Setting range for thermal overload protection 3Ith, 49
Parameter Description
Mode ϑ Mode of thermal overload
protection*
ϑ Initial thermal level of the
0
apparatus
I Reference current leading to
b
thermal calculation
τ Heating time constant of
↑
machine
τ Cooling time constant of static
↓s
machine
τ Cooling time constant of
↓r
rotating machine*
ϑ Alarm value
alm
ϑ Operate value
trip
ϑ Start inhibit value
startinhibit
ϑ Percentage by which
EM
will be increased in emergency
mode
Mode ϑ Options for calculating thermal
powerOFF
value during power interruption
*Setting in REF601 and REJ601 hidden (fixed set to static mode)
Configurable inputs to thermal overload protection
Table 17 Configurable inputs to thermal overload protection 3Ith, 49
Name Type
RESET BOOL
BLOCK BOOL
Configurable outputs of thermal overload protection
Table 18 Configurable inputs to thermal overload protection 3Ith, 49
Name Type
ALARM BOOL
OPERATE BOOL
Θ REAL
Range
0 = rotating
1 = static
0...100
0.1 ... 1.5
1 ... 300
1 ... 300
1 ... 1000
50 ... 200
50 ... 200
50 ... 200
j
10... 100
trip
1...4
Description
Description
Alarm
Operate
Value of thermal image
1MDU07212-YN Rev. C
Unit Step Default
- 1 0
% 1 80
xIn 0.1 1.0
min 1 45
min 1 45
min 1 180
% 1 121
% 1 144
% 1 105
% 1 50
- 1 4
REF601 / REJ601
Application Manual